﻿// SKNotes - a note taking and gathering tool
// Copyright (C) 2009  Stefan Kueng
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

namespace SKNotes.Utilities
{
    using System;
    using System.Diagnostics;
    using System.Windows.Data;
    using System.Windows.Markup;

    /// <summary>
    /// Converter to debug the binding values
    /// </summary>
    public class DebugConverter : IValueConverter
    {
        #region IValueConverter Members
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            Debugger.Break();
            return Binding.DoNothing;
        }

        /// <summary>
        /// ask the debugger to break
        /// </summary>
        /// <param name="value"></param>
        /// <param name="targetType"></param>
        /// <param name="parameter"></param>
        /// <param name="culture"></param>
        /// <returns></returns>
        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            Debugger.Break();
            return Binding.DoNothing;
        }

        #endregion
    }

    /// <summary>
    /// Markup extension to debug data binding
    /// </summary>
    public class DebugBindingExtension : MarkupExtension
    {
        /// <summary>
        /// Creates a new instance of the Converter for debugging
        /// </summary>
        /// <param name=”serviceProvider”></param>
        /// <returns>Return a converter that can be debugged to see the values for the binding</returns>
        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            return new DebugConverter();
        }
    }
}
